[INFO] cloning repository https://github.com/demostf/parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/demostf/parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemostf%2Fparser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemostf%2Fparser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e196b7bfcc3a8b2d24d95f92f9f5660d377cfff0
[INFO] documenting demostf/parser against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemostf%2Fparser" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/demostf/parser on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/demostf/parser
[INFO] finished tweaking git repo https://github.com/demostf/parser
[INFO] tweaked toml for git repo https://github.com/demostf/parser written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/demostf/parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2 v0.6.2
[INFO] [stderr]   Downloaded jemallocator v0.3.2
[INFO] [stderr]   Downloaded num_enum_derive v0.4.2
[INFO] [stderr]   Downloaded parse-display-derive v0.1.1
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded err-derive v0.2.1
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] [stderr]   Downloaded better-panic v0.1.2
[INFO] [stderr]   Downloaded jemalloc-sys v0.3.2
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded num_enum v0.4.2
[INFO] [stderr]   Downloaded serde_repr v0.1.5
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded parse-display v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded no-panic v0.1.12
[INFO] [stderr]   Downloaded main_error v0.1.0
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.2
[INFO] [stderr]   Downloaded bitbuffer_derive v0.7.1
[INFO] [stderr]   Downloaded bitbuffer v0.7.1
[INFO] [stderr]   Downloaded syn_util v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9651a38942c4efd0e8b7c76c134ca4c9281b8275cba5bfa889998b39727b50d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9651a38942c4efd0e8b7c76c134ca4c9281b8275cba5bfa889998b39727b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9651a38942c4efd0e8b7c76c134ca4c9281b8275cba5bfa889998b39727b50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9651a38942c4efd0e8b7c76c134ca4c9281b8275cba5bfa889998b39727b50d", kill_on_drop: false }`
[INFO] [stdout] a9651a38942c4efd0e8b7c76c134ca4c9281b8275cba5bfa889998b39727b50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 730f49b7674667af0b42b17ff7b94d37c1a5441c67f4dc11a5045d6782547a8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "730f49b7674667af0b42b17ff7b94d37c1a5441c67f4dc11a5045d6782547a8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking main_error v0.1.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling syn_util v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling bitbuffer_derive v0.7.1
[INFO] [stderr]    Compiling parse-display-derive v0.1.1
[INFO] [stderr]    Compiling enumflags2_derive v0.6.2
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking bitbuffer v0.7.1
[INFO] [stderr]     Checking enumflags2 v0.6.2
[INFO] [stderr]     Checking parse-display v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.4.2
[INFO] [stderr]     Checking num_enum v0.4.2
[INFO] [stderr]     Checking tf-demo-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting tf-demo-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "730f49b7674667af0b42b17ff7b94d37c1a5441c67f4dc11a5045d6782547a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730f49b7674667af0b42b17ff7b94d37c1a5441c67f4dc11a5045d6782547a8a", kill_on_drop: false }`
[INFO] [stdout] 730f49b7674667af0b42b17ff7b94d37c1a5441c67f4dc11a5045d6782547a8a